/* Cuba Despierta · Serie «Cuba antes de 1959» (views/serie.php). Se carga solo en /historia/cuba-antes-de-1959.
   Paleta de site.css más el sepia de las fotografías de época y el papel del libro.
   Animaciones comunes de redesign.css (kenburns, fadeup, lineup, growx, data-reveal). Interacción: js/serie.js. */
.sz { --sepia: #c9a86a; --sepia-dark: #8a6d3b; --paper: #f4eee3; }

/* ---------- 1. Cabecera sepia con grano de película ---------- */
.sh { position: relative; display: flex; align-items: flex-end; min-height: min(100svh, 920px); padding: calc(var(--hdr-h) + 4rem) 0 5rem; background: #17130e; color: #fff; overflow: hidden; isolation: isolate; }
.sh-media { position: absolute; inset: 0; z-index: -3; }
.sh-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; filter: sepia(.65) contrast(1.08) brightness(.9); transform-origin: 50% 40%; }
html.js .sh-media img { animation: kenburns 26s var(--ease-out) both, hx-drift 46s ease-in-out 26s infinite alternate; }
.sh::before { content: ''; position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(23,19,14,.95) 0%, rgba(23,19,14,.75) 45%, rgba(23,19,14,.25) 85%), linear-gradient(to top, rgba(23,19,14,.92) 0%, rgba(23,19,14,0) 55%); }
/* Viñeta y grano: el grano tiembla como en una proyección de cine antigua */
.sh::after { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; box-shadow: inset 0 0 180px 40px rgba(0,0,0,.7); }
.sh-grain { position: absolute; inset: -50%; z-index: -1; pointer-events: none; opacity: .14; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
html.js .sh-grain { animation: sz-grain .6s steps(4) infinite; }
@keyframes sz-grain { 0% { transform: translate(0, 0); } 25% { transform: translate(-3%, 2%); } 50% { transform: translate(2%, -3%); } 75% { transform: translate(-1%, 4%); } 100% { transform: translate(3%, -1%); } }
@media (max-width: 767px) { .sh::before { background: linear-gradient(to top, rgba(23,19,14,.96) 0%, rgba(23,19,14,.75) 55%, rgba(23,19,14,.5) 100%); } }
.sh-in { position: relative; width: 100%; }
.sh-kicker { margin-top: 1.8rem; display: flex; align-items: center; gap: .9rem; font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--sepia); }
.sh-kicker .hx-line { background: var(--sepia); }
.sh-title { margin-top: 1.2rem; font-size: clamp(2.8rem, .9rem + 6.8vw, 6.8rem); font-weight: 800; line-height: .92; letter-spacing: -.035em; word-spacing: .12em; text-transform: uppercase; }
.sh-title .serif { color: var(--brand-light); font-size: 1.08em; text-transform: none; }
/* Contador de años: 1902 ——— 1958 */
.sh-years { margin-top: 1.4rem; display: flex; align-items: center; gap: 1rem; max-width: 34rem; }
.sh-years b { font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.8rem); font-weight: 900; letter-spacing: -.02em; color: transparent; -webkit-text-stroke: 1.5px var(--sepia); font-variant-numeric: tabular-nums; }
.sh-years i { flex: 1; height: 2px; background: linear-gradient(90deg, var(--sepia), var(--brand-light)); transform-origin: left; }
html.js .sh-years i { animation: growx 2.2s var(--ease-out) .9s both; }
.sh-lead { margin-top: 1.2rem; max-width: 36rem; font-size: clamp(1rem, .95rem + .35vw, 1.2rem); line-height: 1.65; color: #e6ddd0; }
.sh-facts { list-style: none; margin: 1.6rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.8rem; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #cbbfa9; }
.sh-facts b { margin-right: .35rem; font-size: 1.15rem; letter-spacing: 0; color: #fff; }
.sh-ctas { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- 2. Progreso de lectura ---------- */
.sp { position: relative; background: var(--paper); border-bottom: 1px solid #e3d9c6; }
.sp[hidden] { display: none; }
.sp-in { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: center; padding-block: 1.4rem; }
@media (min-width: 900px) { .sp-in { grid-template-columns: auto minmax(0, 1fr) auto; gap: 2rem; } }
.sp-txt { font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--sepia-dark); }
.sp-txt span { font-size: 1.5rem; letter-spacing: 0; color: var(--ink); }
.sp-bar { list-style: none; margin: 0; padding: 0 0 1rem; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4px; }
.sp-bar li { position: relative; height: 10px; background: #e3d9c6; transition: background-color .5s var(--ease-out); }
.sp-bar li span { position: absolute; top: 14px; left: 50%; translate: -50% 0; font-size: 10px; font-weight: 800; color: #8f7f63; }
.sp-bar li.is-read { background: var(--brand); }
.sp-bar li.is-read span { color: var(--brand-dark); }
@media (max-width: 559px) { .sp-bar { padding-bottom: 0; } .sp-bar li span { display: none; } }
.sp-actions { display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; align-items: center; }
.sp-next { display: inline-flex; align-items: center; gap: .4rem; padding: .7rem 1.1rem; background: var(--ink); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; transition: background-color .3s; }
.sp-next:hover { background: var(--brand); }
.sp-next[hidden], .sp-reset[hidden] { display: none; }
.sp-reset { padding: 0; border: 0; background: none; font: inherit; font-size: 12px; font-weight: 700; color: var(--muted); text-decoration: underline; cursor: pointer; }
.sp-next:focus-visible, .sp-reset:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

/* ---------- 3. Índice fijo y capítulos ---------- */
.sc { padding-block: clamp(4rem, 3rem + 4vw, 7rem); scroll-margin-top: var(--hdr-h); }
.sc-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 3rem; }
@media (min-width: 1024px) { .sc-grid { grid-template-columns: 300px minmax(0, 1fr); gap: 4rem; align-items: start; } .sc-index { position: sticky; top: calc(var(--hdr-h) + 1.5rem); } }
.sc-h { margin-top: .6rem; font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.6rem); font-weight: 800; line-height: 1; text-transform: uppercase; letter-spacing: -.02em; }
.sc-h .serif { color: var(--brand-dark); text-transform: none; }
.sc-toc { list-style: none; margin: 1.4rem 0 0; padding: 0; border-top: 2px solid var(--ink); }
.sc-toc a { position: relative; display: grid; grid-template-columns: 2rem minmax(0, 1fr) 1rem; gap: .6rem; align-items: center; padding: .65rem .4rem .65rem .8rem; border-bottom: 1px solid var(--line); color: var(--muted); text-decoration: none; font-size: 13.5px; line-height: 1.3; transition: color .3s, background-color .3s; }
.sc-toc a::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--brand); transform: scaleY(0); transition: transform .4s var(--ease-out); }
.sc-tn { font-size: 12px; font-weight: 900; color: var(--sepia-dark); font-variant-numeric: tabular-nums; }
.sc-tt { font-weight: 700; }
.sc-check { display: inline-flex; color: var(--brand); opacity: 0; transition: opacity .3s; }
.sc-toc a:hover, .sc-toc a.is-current { color: var(--ink); background: var(--paper); }
.sc-toc a.is-current::before { transform: scaleY(1); }
.sc-toc a.is-read .sc-check { opacity: 1; }
.sc-toc a:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
@media (max-width: 1023px) { .sc-toc { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); column-gap: 1.5rem; } }
.sc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: clamp(3.5rem, 3rem + 3vw, 6rem); }
.sc-cap { scroll-margin-top: calc(var(--hdr-h) + 1.5rem); }
.sc-card { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.4rem; color: var(--ink); text-decoration: none; }
.sc-card:focus-visible { outline: 2px solid var(--brand); outline-offset: 6px; }
/* Número de capítulo enorme, en contorno, asomando junto a la foto */
.sc-num { position: absolute; top: -.45em; left: -.06em; z-index: 1; font-family: var(--serif); font-style: italic; font-size: clamp(5rem, 3.5rem + 6vw, 9rem); line-height: 1; color: transparent; -webkit-text-stroke: 2px var(--brand); pointer-events: none; transition: color .6s var(--ease-out), transform .8s var(--ease-out); }
.sc-card:hover .sc-num { color: var(--brand); transform: translateY(-6px); }
.sc-img { position: relative; display: block; margin-left: clamp(2rem, 1rem + 4vw, 5rem); aspect-ratio: 16 / 9; overflow: hidden; box-shadow: 0 30px 50px -30px rgba(0,0,0,.6); }
.sc-img img { width: 100%; height: 100%; object-fit: cover; filter: sepia(.35) saturate(.9); transition: transform 1.2s var(--ease-out), filter .8s; }
.sc-card:hover .sc-img img { transform: scale(1.05); filter: none; }
.sc-read { position: absolute; top: 1rem; right: 1rem; display: inline-flex; align-items: center; gap: .35rem; padding: .35rem .6rem; background: var(--brand); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; opacity: 0; transform: translateY(-6px); transition: opacity .4s, transform .4s var(--ease-out); }
.sc-card.is-read .sc-read { opacity: 1; transform: none; }
.sc-body { display: flex; flex-direction: column; gap: .7rem; margin-left: clamp(2rem, 1rem + 4vw, 5rem); max-width: 46rem; }
.sc-meta { font-size: 11.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--sepia-dark); }
.sc-t { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.6rem); line-height: 1.05; letter-spacing: -.015em; transition: color .3s; }
.sc-card:hover .sc-t { color: var(--brand-dark); }
.sc-d { font-size: 15.5px; line-height: 1.7; color: var(--muted); }
.sc-go { display: inline-flex; align-items: center; gap: .4rem; font-size: 11.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--brand-dark); }
.sc-go svg { transition: transform .45s var(--ease-out); }
.sc-card:hover .sc-go svg { transform: translateX(5px); }

/* ---------- 4. Mapa de la serie ---------- */
.st { padding-block: clamp(4rem, 3rem + 4vw, 7rem); background: #17130e; color: #fff; }
.st .kicker-light { color: var(--sepia); }
.st-note { max-width: 24rem; font-size: 15px; line-height: 1.6; color: #cbbfa9; }
.st-chart { position: relative; }
.st-axis { position: relative; height: 1.6rem; border-bottom: 1px solid rgba(255,255,255,.25); }
.st-axis span { position: absolute; bottom: .4rem; translate: -50% 0; font-size: 11.5px; font-weight: 700; color: #a8987c; font-variant-numeric: tabular-nums; }
.st-axis span:first-child { translate: 0 0; }
@media (max-width: 639px) { .st-axis span:nth-child(even) { display: none; } }
.st-rows { position: relative; list-style: none; margin: 0; padding: .6rem 0 0; }
.st-row { position: relative; height: 30px; border-bottom: 1px solid rgba(255,255,255,.05); }
.st-bar { position: absolute; top: 6px; height: 18px; min-width: 22px; display: flex; align-items: center; background: linear-gradient(90deg, var(--sepia-dark), var(--sepia)); color: var(--ink); text-decoration: none; transform-origin: left; transition: transform 1.2s var(--ease-out), filter .3s; transition-delay: calc(var(--i, 0) * 90ms + 150ms); }
.st-bar:hover { filter: brightness(1.2); }
.st-bar:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.st-n { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; margin-left: -2px; border-radius: 50%; background: var(--brand); color: #fff; font-size: 11px; font-weight: 900; }
html.js .st-chart[data-reveal]:not(.is-in) .st-bar { transform: scaleX(0); }

/* ---------- 5. Sigue con la historia ---------- */
.sx { padding-block: clamp(3.5rem, 2.5rem + 3vw, 5.5rem); }
.sx ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
@media (min-width: 640px) { .sx ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .sx ul { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.sx a { position: relative; display: flex; flex-direction: column; gap: .4rem; height: 100%; padding: 1.4rem 1.4rem 2.6rem; background: var(--paper); border: 1px solid #e3d9c6; color: var(--ink); text-decoration: none; transition: border-color .3s, transform .5s var(--ease-out); }
.sx-y { font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--sepia-dark); }
.sx-n { font-family: var(--serif); font-style: italic; font-size: 1.6rem; line-height: 1.05; }
.sx-d { font-size: 14px; line-height: 1.5; color: var(--muted); }
.sx a > svg { position: absolute; right: 1.2rem; bottom: 1.1rem; color: var(--brand); transition: transform .45s var(--ease-out); }
.sx a:hover { border-color: var(--ink); transform: translateY(-4px); }
.sx a:hover > svg { transform: translateX(5px); }
.sx a:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html.js .sh-grain, html.js .sh-years i { animation: none; }
  .sh-grain { display: none; }
  .sc-num, .sc-img img, .sc-read, .sp-bar li, .st-bar, .sx a { transition: none; }
  html.js .st-chart[data-reveal]:not(.is-in) .st-bar { transform: none; }
}